diff options
Diffstat (limited to 'src/backend')
| -rw-r--r-- | src/backend/storage/page/bufpage.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/backend/storage/page/bufpage.c b/src/backend/storage/page/bufpage.c index 1b70bfbe8c..bce0d53a9c 100644 --- a/src/backend/storage/page/bufpage.c +++ b/src/backend/storage/page/bufpage.c @@ -738,7 +738,8 @@ PageIndexTupleDelete(Page page, OffsetNumber offnum) if (phdr->pd_lower < SizeOfPageHeaderData || phdr->pd_lower > phdr->pd_upper || phdr->pd_upper > phdr->pd_special || - phdr->pd_special > BLCKSZ) + phdr->pd_special > BLCKSZ || + phdr->pd_special != MAXALIGN(phdr->pd_special)) ereport(ERROR, (errcode(ERRCODE_DATA_CORRUPTED), errmsg("corrupted page pointers: lower = %u, upper = %u, special = %u", @@ -757,12 +758,15 @@ PageIndexTupleDelete(Page page, OffsetNumber offnum) offset = ItemIdGetOffset(tup); if (offset < phdr->pd_upper || (offset + size) > phdr->pd_special || - offset != MAXALIGN(offset) || size != MAXALIGN(size)) + offset != MAXALIGN(offset)) ereport(ERROR, (errcode(ERRCODE_DATA_CORRUPTED), errmsg("corrupted item pointer: offset = %u, size = %u", offset, (unsigned int) size))); + /* Amount of space to actually be deleted */ + size = MAXALIGN(size); + /* * First, we want to get rid of the pd_linp entry for the index tuple. We * copy all subsequent linp's back one slot in the array. We don't use |